Testicular Evaluation of Azoospermia Using Micro-Ultrasound
Recruiting
Observational Study
Azoospermia
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 18 and older
- Sex
- Male
- Study type
- Observational
- Participants needed
- 40 (estimated)
- Sponsor
- Paul Shin · Other
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Answer a few quick questions to see if you may meet the eligibility requirements.
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About This Trial
The investigation is a small feasibility study to determine whether there are imaging features related to the seminiferous tubules in the testes under microultrasound. The results from this study will provide guidance on the design and power analysis of future studies in this area.
Trial Locations
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Eligibility Criteria
Inclusion criteria:
1. Men with azoospermia confirmed based on semen analysis
2. Post-vasectomy patients with verified azoospermia after the procedure
3. Men pre-vasectomy with proven natural fertility or with normal semen analysis
4. Males assigned at birth over the age of 18
Exclusion criteria:
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Contacts